Github flavored Markdown for SublimeText and a custom color-scheme for writing markdown.

Features:

Support for fenced code blocks

Syntax highlighting support for most popular languages (see below for the list of supported languages)

Syntax highlighting for URLs in text which is auto-linked by GFM

Proper syntax highlighting for bullets and numbers in ordered/unordered lists

Proper syntax highlighting for bold and italics by ignoring multiple underscores in words

Installation

To install this plugin, you have two options:

If you have Package Control installed, simply search for Knockdown to install.

Clone source code to Sublime Text packages folder.

Note: after installing this package, open a markdow file and switch the language
to Markdown (Github Flavored) from the list of supported languages in your status
bar at the bottom right corner of your editor.

Note: if you do not like the settings (including the used color scheme), which
are provided with this packages, please go to Preferences -> Package Settings -> Knockdown
and click on Settings - User. Repeat that for Settings - Default, copy all the
settings to the user settings file and edit those you don't like.